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II.4Polycrystalline substrates or polycrystalline ceramic substrates

List
Viet Nam – Dual-use goods under the Ministry of Science and Technology – Circular No. 30/2026/TT-BKHCN
HS code
38180000, 85419000
Licensing ministry
Ministry of Science and Technology
ECCN
3C005.b
Corresponding EU entry
3C005
High resistivity materials such as: polycrystalline substrates or polycrystalline ceramic substrates, having resistivities greater than 10,000 ohm-cm at 20°C and having at least one non-epitaxial single-crystal layer of silicon (Si), silicon carbide (SiC), gallium nitride (GaN), aluminium nitride (AlN), aluminium gallium nitride (AlGaN), gallium oxide (Ga2O3) or diamond on the surface of the substrate.